Rubber Falls to Four-Year Low on Fears of Oversupply, China Slowdown

Southeast Asian Cartel Refrains From Cutting Supply

The price of rubber has tanked to the lowest level in more than four years, a selloff that has accelerated in recent days as the Southeast Asian cartel that controls the majority of production has refrained from acting to support the market.

The commodity, used to make items from tires to latex gloves, is a politically charged crop, and the market is prone to government intervention to support prices. Price declines in the past have...